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SPC zinc alloy axle shims are built for over‑the‑road truck and trailer alignment, supplying improved compression strength versus aluminum shims. Supplied six per box, these 3" x 6" shims feature a 3.5° taper to correct caster on heavy duty applications. They’re meant to be used where robust, repeatable shim thickness and angle help restore proper axle geometry.
SPC Performance ZINC SHIMS 3 x 6 x 3.5 deg.
